| 11. | Imagine light beams that could spot anthrax spores in a sealed envelope.
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| 12. | Can a light beam reflect off the photons in another light beam?
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| 13. | Light beams that are in a helical mode carry nonzero OAM.
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| 14. | H has four terms, each representing a light beam emerging from the hologram.
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| 15. | This is exemplified by a light beam passing through thick fog.
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| 16. | You cannot push a light beam faster by pushing the source.
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| 17. | It was from him that she learned to become the social light beam.
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| 18. | Scientists believe that not even light beams can escape once they are inside.
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| 19. | When the cells'light beams were interrupted, sounds were generated by a computer-operated synthesizer.
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| 20. | If a light beam is broken, the computer stops the ride.
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